* {
    margin: 0;
    padding: 0;
}
.container {
    padding: 12px;
    background-color: #f5f5f5;
    min-height: calc(100vh - 45px);
    overflow-y: auto;
}

.timer {
    background-color: #f5f5f5;
    padding: 8px 16px;
    text-align: center;
    font-size: 14px;
    color: #666;
    border-bottom: 1px solid #eee;
}

.questionBox {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.titleRow {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.title {
    font-size: 16px;
    font-weight: bold;
    flex: 1;
}

.collectButton {
    padding: 8px;
    cursor: pointer;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.option {
    padding: 12px 15px;
    background: #f8f8f8;
    border-radius: 8px;
    font-size: 15px;
    color: #666;
    cursor: pointer;
    transition: all 0.3s;
}

.option:hover {
    background: #e8e8e8;
}

.option.selected {
    background: #e6f4ff;
    color: #1677ff;
    border: 1px solid #91caff;
}

.option.correct {
    background: #f6ffed;
    color: #52c41a;
    border: 1px solid #b7eb8f;
}

.option.wrong {
    background: #fff2f0;
    color: #ff4d4f;
    border: 1px solid #ffccc7;
}

.nextButton {
    margin-top: 20px;
    height: 40px;
    font-size: 16px;
    border-radius: 20px;
}

.nextButton:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}